1 files changed, 57 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/grph-raw.lua b/tex/context/base/mkiv/grph-raw.lua
new file mode 100644
index 000000000..62e96fcc9
--- /dev/null
+++ b/tex/context/base/mkiv/grph-raw.lua
@@ -0,0 +1,57 @@
+if not modules then modules = { } end modules ['grph-raw'] = {
+    version   = 1.001,
+    comment   = "companion to grph-raw.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- This module is for Mojca, who wanted something like this for
+-- her gnuplot project. It's somewhat premliminary code but it
+-- works ok for that purpose.
+
+local tonumber = tonumber
+
+local report_bitmap = logs.reporter("graphics","bitmaps")
+
+local context = context
+local texsp   = tex.sp
+
+function figures.bitmapimage(t)
+    local data        = t.data
+    local xresolution = tonumber(t.xresolution)
+    local yresolution = tonumber(t.yresolution)
+    if data and xresolution and yresolution then
+        local width, height = t.width or "", t.height or ""
+        local n = backends.nodeinjections.injectbitmap {
+            xresolution = xresolution,
+            yresolution = yresolution,
+            width       = width  ~= "" and texsp(width)  or nil,
+            height      = height ~= "" and texsp(height) or nil,
+            data        = data,
+            colorspace  = t.colorspace,
+        }
+        if n then
+            context.hbox(n)
+        else
+            report_bitmap("format no supported by backend")
+        end
+    else
+        report_bitmap("invalid specification")
+    end
+end
+
+interfaces.implement {
+    name      = "bitmapimage",
+    actions   = figures.bitmapimage,
+    arguments = {
+        {
+            { "data" },
+            { "colorspace" },
+            { "width" },
+            { "height" },
+            { "xresolution" },
+            { "yresolution" },
+        }
+    }
+}